Comandos o como se llame...

#!/bin/sh

# $Id: extchg.sh,v 1.2 2001/07/08 01:49:29 lem9 Exp $ 

# original php3->phtml converter by Pavel Piankov <pashah@spb.sitek.net>
# modified by Tobias Ratschiller to allow any file extension
# part of the phpMyAdmin distribution http://phpwizard.net/phpMyAdmin

# 2001-07-07, lem9@users.sourceforge.net:
# - supports sub-directories
# - no more bak directory

if [ $# != 2 ]
then
  echo "Usage: extchg.sh <extension to change from> <extension to change to>"
  echo ""
  echo "Example: extchg.sh php3 php"
  exit
fi

for i in `find . -name "*.$1"`
do 
echo $i
sed -e 's/'$1'/'$2'/g' $i > `ls $i|sed -e 's/'$1'/'$2'/g'`
rm $i
done;